[tester89]

For those wondering what exactly it means:

> (fa) allow end users, business users, providers and potential providers of on line social networking services access to and interoperability with the same industry-standard service features that are available or used in the provision by the gatekeeper of any social networking services; minimum interoperability requirements shall be in accordance with the relevant Union legislation or the industry standard, where applicable, by providing open standards, open protocols, including Application Programming Interface;